Hourly Weather Forecast - Walnut, CA

12 AM
57°F
0%
3mph
E
Cloudy
Humidity
88%
Feels like
57°F
Dew Point
53°F
1 AM
57°F
0%
3mph
E
Cloudy
Humidity
88%
Feels like
57°F
Dew Point
53°F
2 AM
56°F
0%
3mph
ESE
Cloudy
Humidity
90%
Feels like
56°F
Dew Point
53°F
3 AM
56°F
0%
3mph
ESE
Cloudy
Humidity
92%
Feels like
56°F
Dew Point
54°F
4 AM
56°F
0%
3mph
ESE
Cloudy
Humidity
95%
Feels like
56°F
Dew Point
54°F
5 AM
55°F
0%
2mph
ESE
Cloudy
Humidity
98%
Feels like
55°F
Dew Point
55°F
6 AM
55°F
0%
3mph
SE
Foggy
Humidity
99%
Feels like
55°F
Dew Point
55°F
6:53 AM
7 AM
56°F
0%
2mph
SE
Cloudy
Humidity
97%
Feels like
56°F
Dew Point
56°F
8 AM
58°F
0%
3mph
SE
Cloudy
Humidity
92%
Feels like
58°F
Dew Point
56°F
9 AM
60°F
0%
4mph
SE
Partly Cloudy
Humidity
88%
Feels like
60°F
Dew Point
56°F
10 AM
62°F
0%
4mph
SE
Mostly Sunny
Humidity
84%
Feels like
62°F
Dew Point
57°F
11 AM
63°F
10%
5mph
SSE
Mostly Sunny
Humidity
82%
Feels like
63°F
Dew Point
57°F
12 PM
64°F
10%
6mph
S
Partly Cloudy
Humidity
79%
Feels like
64°F
Dew Point
57°F
1 PM
64°F
20%
6mph
S
Partly Cloudy
Humidity
78%
Feels like
64°F
Dew Point
57°F
2 PM
64°F
40%
7mph
S
40% Chance Rain Showers
Humidity
79%
Feels like
64°F
Dew Point
57°F
3 PM
62°F
50%
8mph
SSE
50% Chance Rain Showers
Humidity
84%
Feels like
62°F
Dew Point
57°F
4 PM
59°F
60%
8mph
SSE
60% Chance of Light Rain
Humidity
90%
Feels like
59°F
Dew Point
56°F
4:47 PM
5 PM
58°F
70%
8mph
SE
70% Chance of Light Rain
Humidity
95%
Feels like
58°F
Dew Point
56°F
6 PM
58°F
80%
7mph
ESE
80% Chance of Light Rain
Humidity
95%
Feels like
58°F
Dew Point
56°F
7 PM
58°F
90%
7mph
ESE
Light Rain
Humidity
95%
Feels like
58°F
Dew Point
57°F
8 PM
59°F
90%
8mph
ESE
Light Rain
Humidity
95%
Feels like
59°F
Dew Point
57°F
9 PM
59°F
90%
8mph
ESE
Rain
Humidity
95%
Feels like
59°F
Dew Point
58°F
10 PM
60°F
100%
8mph
ESE
Light Rain
Humidity
95%
Feels like
60°F
Dew Point
58°F
11 PM
60°F
100%
9mph
ESE
Light Rain
Humidity
98%
Feels like
60°F
Dew Point
59°F

Rain And Snow Totals Through Monday

Atmospheric River Takes Aim For Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California later today into Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

White Christmas? What Are The Odds

Sunday's Weather Outlook

Sunday's Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

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